1, Filtration:  http://www.cfsfiltration.com/www.cfsfiltration.coms/info.php?p=5 - 0.22 um latex spheres = 220 nm

People wear masks to beat Sars

 

2.  Centrifugation:  http://bioweb.wku.edu/courses/Biol502/centrifugation.html

 

 

 

 

"particle" size

rock

 big

pebble

 not as big

sand

0.06 2mm = 60,000 - 2,000,000 nm

dirt

 smaller

pollen

10 100 um - = 10,000 - 100,000 nm

milk

 100 nm (casein particle)-1000 nm (fat drop)

Human cell

10,000 nm

colloid

1-1000 nm

bacterium

1000 nm

220 nm (0.22 um) filter

virus

50 nm; influenza 120 nm diam

protein

 15 nm

water

 0.3 nm

 

3.  Distillation

distillation apparatus

http://www.chemheritage.org/EducationalServices/pharm/antibiot/activity/distil.htm